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Steel and Composite Structures Volume 48, Number 4, August25 2023 , pages 429-441 DOI: https://doi.org/10.12989/scs.2023.48.4.429 |
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Dynamic analysis of a rotating tapered composite Timoshenko shaft |
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Zahi Rachid, Sahli Abderahmane, Moulgada Abdelmadjid, Ziane Noureddine and Refassi Kaddour
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| Abstract | ||
| This research presents an advanced finite element formulation for analyzing the vibratory behaviour of tapered composite shaft rotors, taking into account the impact of the draft angle on the stiffness of the composite shaft laminate. The vibration response of the shaft rotating around its axis is studied using both the finite element hierarchical method and the classical finite element formulation, based on the theory of transverse shear deformation, rotary inertia, gyroscopic effect, and coupling effect due to the stratification of the composite layers of the shaft. The study also includes the development of a program to calculate the Eigen frequencies and critical speeds of the system, and the obtained results are compared with those available in the literature. This research provides valuable insights into the vibratory behaviour of tapered composite shaft rotors and can be useful for designing and optimizing such structures in various industrial applications. | ||
| Key Words | ||
| composite structures; dynamic analysis; structural analysis; elasticity; vibration/vibration analysis | ||
| Address | ||
| Zahi Rachid:1)Laboratory of Mechanics of Structures and Solids LMSS, University of Sidi Bel Abbes, Algeria 2)University of Relizane Sahli Abderahmane and Moulgada Abdelmadjid:Department of Mechanical Engineering, Laboratory Mechanics Physics of Materials (LMPM), University of Sidi Bel Abbes Ziane Noureddine:UDL de Sidi Bel Abbes. Laboratoire des Structures et Materiaux Avances Refassi Kaddour:Laboratory of Mechanics of Structures and Solids LMSS, University of Sidi Bel Abbes, Algeria | ||